Home / 694,537,559.80-958,426,634.46-412,292,065.12

Finding the Fourth Proportional to 694,537,559.80, 958,426,634.46 and 412,292,065.12

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Solution

The fourth proportional to 694,537,559.80, 958,426,634.46 and 412,292,065.12 is: 568,942,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,537,559.80 : 958,426,634.46 = 412,292,065.12 : x
  2. Step 2: Convert to fraction form
    694,537,559.80/958,426,634.46 = 412,292,065.12/x
  3. Step 3: Cross multiply
    694,537,559.80x = 958,426,634.46 × 412,292,065.12
  4. Step 4: Simplify right side
    694,537,559.80x = 395,151,696,387,524,800
  5. Step 5: Solve for x
    x = 395,151,696,387,524,800/694,537,559.80
  6. Step 6: Final answer
    x = 568,942,155.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.